Base | Representation |
---|---|
bin | 110010000100… |
… | …101100110001 |
3 | 220200220002210 |
4 | 302010230301 |
5 | 11330021244 |
6 | 1145202333 |
7 | 216400350 |
oct | 62045461 |
9 | 26626083 |
10 | 13126449 |
11 | 7456106 |
12 | 44903a9 |
13 | 294793b |
14 | 1a59997 |
15 | 12444b9 |
hex | c84b31 |
13126449 has 16 divisors (see below), whose sum is σ = 20099072. Its totient is φ = 7464528.
The previous prime is 13126447. The next prime is 13126469. The reversal of 13126449 is 94462131.
It is not a de Polignac number, because 13126449 - 21 = 13126447 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (13126447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282 + ... + 6084.
It is an arithmetic number, because the mean of its divisors is an integer number (1256192).
Almost surely, 213126449 is an apocalyptic number.
It is an amenable number.
13126449 is a deficient number, since it is larger than the sum of its proper divisors (6972623).
13126449 is a wasteful number, since it uses less digits than its factorization.
13126449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3036.
The product of its digits is 5184, while the sum is 30.
The square root of 13126449 is about 3623.0441620273. The cubic root of 13126449 is about 235.8933792533.
The spelling of 13126449 in words is "thirteen million, one hundred twenty-six thousand, four hundred forty-nine".
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